Sidney Crosby is one of the NHL's top goal scorers, but he's also one of more than a dozen players currently sidelined with the mumps. The outbreak has led the league to give players and coaches booster shots in an effort to contain the spread of the disease.

After the kidnapping of hundreds of schoolgirls in Nigeria, the rise of Ebola seemed to be another threat too big for the country's government. But the WHO now says Nigeria has defeated Ebola thanks to the government's rapid response, which gives some Nigerians renewed hope.

The Ebola virus has killed nearly 700 people in West Africa, and the death toll now includes the doctor who was leading the fight against the disease in Sierra Leone. That's left the campaign there desperately short of expertise.

Across Africa, many HIV-positive women would like to have children, but they face a dilemma: How can they become pregnant without putting their partners at risk? Dr. Okeoma Mmeje, an ob-gyn at the University of Michigan, offers an inexpensive solution.

Sexual attitudes are changing in South Africa. But there remains challenges in family planning and disease prevention. Anchor Marco Werman talks with reporter Poppy Louw from The Times newspaper in Johannesburg about those challenges.

A deadly new SARS-like virus has been traced to bats. The Middle East Respiratory Syndrome, or MERS, is lethal to 60 percent of those infected. A new study has found the virus is carried by a type of bat in Saudi Arabia, ground-zero for the disease.

In Somalia, Ali Maow Maalin died unexpectedly this week. His passing is a milestone in the history of a viral disease: smallpox. Ali Maow Maalin was the last person in the world to be infected with naturally occurring smallpox.

Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas.

The Chinese government is reacting to the new outbreak of bird flu with some refreshing transparency. But The World's Mary Kay Magistad in Beijing tells anchor Marco Werman that some Chinese who have questioned official statistics have landed in jail.

Philip Graitcer used to work in Africa as an epidemiologist for the CDC. Recently he returned to Africa as a journalist and met people living with elephantiasis. He shares his thoughts on the patients who remain even when a disease is gone.

Scientists say a girl born with HIV two-and-a-half years ago appears to have been cured. Though the apparent breakthrough is limited to one infant case, the news may give hope to the millions of people living with the HIV virus around the globe.

Across Africa, many HIV-positive women would like to have children, but they face a dilemma: How can they become pregnant without putting their partners at risk? Dr. Okeoma Mmeje, an ob-gyn at the University of Michigan, offers an inexpensive solution.

The United Nations Security Council is scheduled to tackle a particularly disturbing tactic of war this week: the use of rape as a weapon. Jeb Sharp talks with Anne-Marie Goetz of UNIFEM, the UN's development agency for women.

The World's Andrea Crossan reports from Nairobi on worries over the swine flu hitting Africa. Just under 10 cases have been confirmed in sub-Sarahan Africa. But health experts are concerned about the disease spreading in the continent's crowded slums.

A woman in Japan has helped scientists to answer an important medical question; if cancer is transferred from mother to fetus. Doctor Anthony Ford is with the Institute of Cancer Research. He was on the team of scientists studying his case

After this year's rush to stock up on the H1N1 vaccine some countries are now trying to unload millions of stockpiled doses. Governments are being criticized for overreacting and overspending against the disease. The World's Gerry Hadden reports.

The US is sending another 4,000 Navy sailors and Marines to Haiti for earthquake relief. The Pentagon reported on Wednesday that the Navy hospital ship Comfort, had received its first Haitian patients. WAMU reporter Sabri Ben-Achour sent this report.

We remember the late Doctor William Close who passed away last month. He was the father of actress Glenn Close, and once the personal doctor of the president of Zaire. While there he worked to stop the first Ebola epidemic in Zaire. Anchor Marco Werman talks to a friend and colleague of Dr. Close, Dr. Joel Breman, of the National Institutes of Health.

Sidney Crosby is one of the NHL's top goal scorers, but he's also one of more than a dozen players currently sidelined with the mumps. The outbreak has led the league to give players and coaches booster shots in an effort to contain the spread of the disease.

The Ebola virus has killed nearly 700 people in West Africa, and the death toll now includes the doctor who was leading the fight against the disease in Sierra Leone. That's left the campaign there desperately short of expertise.

After the kidnapping of hundreds of schoolgirls in Nigeria, the rise of Ebola seemed to be another threat too big for the country's government. But the WHO now says Nigeria has defeated Ebola thanks to the government's rapid response, which gives some Nigerians renewed hope.

Scientists say a girl born with HIV two-and-a-half years ago appears to have been cured. Though the apparent breakthrough is limited to one infant case, the news may give hope to the millions of people living with the HIV virus around the globe.

Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas.

Across Africa, many HIV-positive women would like to have children, but they face a dilemma: How can they become pregnant without putting their partners at risk? Dr. Okeoma Mmeje, an ob-gyn at the University of Michigan, offers an inexpensive solution.